Lantern.



J. BARTON, J. MELBOURN, F. NEEDHAM & J. G. GREEN.

LANTERN.

APPLICATION FILED JUNE 23. 1913.

Patented. July 7, 1914.

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ATTORNEYS THE NORRIS PETERS C0,. PHow-LITHQ. WAsHINcmN. D, c.

J. BARTON, J. MELBOURN, F. NEEDHAM & J. G. GREEN.

LANTERN.

APPLICATION FILED JUNE 23, 1913.

1,102,854, Patented July 7, 1914.

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WIT/JESSE V INVENTORS THE NORRIS PETERS 60., PHOTO-LITHO, WASHINGTON. D. C

' a lantern cage, and

UNITED STATES PATENT OFFICE.

JOSEPH BARTON, JESSE MELBOURN, FOR-EST NEEDHAM, AND iTOHN G. GREEN, OF

OLE ELUM, WASHINGTON.

LANTERN.

Specification of Letters Patent.

- I Patented July *7, 1914.

Application filed June 23, 1913. Serial No. 775,335.

To all whom it may concern Be it known that we, JOSEPH Barron, JEssE MELBOURN, FonEs'r NEEDHAM, and JOHN GEORGE GREEN, citizens of the United States, and residents of Cle Elum, in the county of Kittitas and State 01' Washington, have invented certain new and useful Improvements in Lanterns, of which the following is a specification.

Our invention relates to lanterns, and more especially to lanterns of the kind used in connection with acetylene gas our more particular purpose being to provide a construction in which the water tank and the carbid container, associated with the making of the gas, are connected together by the drop pipe, and removable as a unit for purposes of lighting the lamp.

Our invention further relates to certain details of construction suitable for use with lanterns and related devices of this general type.

Reference is made to the accompanying drawings forming tion, and in which parts.

Figure 1 is a side view partly in elevation and partly in section showing our improved lantern complete. Fig. 2 is a detail view showing in perspective the water tank, the carbid container connected therewith by a drop pipe, and the ventilation dome carried by the water tank, these partsbeing removed from the lantern. Fig. 3 is a per spective of the lantern frame, the top ring being thrown back, and, Fig. 1 is a section on the line 1l of Fig. 1, looking "in the direction of the arrow.

A number of standards 5 support a top ring 6, a middle ring 7, a waist ring 8, and a base ring 9. These parts collectively form are of the usual or any desired construction. The bail of the lantern is shown at 10,' and is pivotally connected with the ears 10 which by the top ring 6.

A su oortin 1111 b 3 like letters indicate like 12 made of sheet metal, and so fOlHlGd'fiS to be threaded. A collar 13 is secured upon the supporting ring 11, and extends slightly into the annular flange 12. The support ing ring 11 is pivotally mounted upon the top ring 6 by a hinge 141, and is'provided with a clasp 15 a part of this specificaare carried I is shown at 11, and is provided with an upwardly extending flangefor engaging the top ring 6, at a point, thereof opposite the location of the hinge 14.

Carried by the waist ring 8 is a holder 16 of substantially cylindrical form. This holder adjacent its bottom is provided with ventilation holes 17 and 17 arranged in two rows as indicated'mor'e particularly in Figs. 1 and 3. The holder 16 atits bottom edge is provided with a number of tongues 18 bent upwardly, and at their upper ends curved slightly outward as indicated in Fig. 1. The holder 16 isrfurtherprovided with a metallic lining 21,'and witha ring 21", this ring having a flange 22 cupped outwardly and engaging the upper edge of the ring 20. The ring 21 is also provided with an annular flange 23 extending downward; The lantern globe iss'hown at 14', and rests onthe ring 21 i The carbid container is shown at 25, and

a rounded annular portion '27 adapted to engage the curved portion 19 of the tongues 18. The carbid container is further" providedwith a frusto-conical portion 28, and with an annular flange 29, this flange being threaded. "A. burner cap isshown at 30, and

is provided with an annular portion 31 threaded to fit the threaded portion 29. The burner cap is further provide'diwith an annular portion 32 which engages a' gasket 33, the latter encircling the frusto-conical portion 28. A. burner 34Lis carried by the burner cap 30. The drop pipe is shown at 35, and extends through the burner cap 30 toa point adjacent the bottom 26 of the container. The water tank is shown M37, and is essentially a reservoir of annular form. It is provided internally with a double wall consisting of two concentric cylindrical members 38,39, these members being .flared outwardly at their bottoms. Between 4 the members 38-39 is a loose filling 410 of heat insulating material, such as asbestos.

The water tank 37 is provided with an open ing 41, and fitting into this opening is a closure plug 412 provided with a hole 42 for permitting vapor, if any be formed by'the water, to'readily makeits escape. The

water space is shown at {13, and has a general annular form.

The bottom of the water tank isprovided with a valve seat 14, and a needle valve 15 detachably engagesthe seat 1 1. The needle is essentially a small tank of cylindrical form provided with a bottom 26, and with valve is at its upper end provided with a handle 46,.by which itmay be turned, this handle serving also as an indicator for disclosing the posit-ion of the valve relatively to its seat. A circular scale 16 is placed upon the upper surface of the water tank 37. The operator by noting the position of the handle 46 relatively to this scale can readily determine, within reasonable limits, the amount of water flowing from the tank. The needle valve extends through an airtight bearing 17.

Mounted upon the upper surface of the annular water tank is a ventilation dome 50 provided with openings 51. This ventilation dome is engaged rigidly with the water tank and is removed therewith whenever the tank, and parts carried by it, are taken from the lantern.

The burner 34 is connected with a short pipe 52, and mounted within this pipe is a filter 53 made of spongy'material, for the purpose of preventing impurities from entering the pipe 53.

The bottom of the water tank is provided with a bearing tube 54, secured rigidly to it and extending downwardly from it, the drop pipe 35 extending through this bearing tube and being braced and strengthened by it. The bottom of the water tank is provided with a threaded flange 55 formed of sheet metal and engaging the threaded portion 12 of the supporting ring 11.

The operation of our devicejis as follows: .The parts being assembled, and arranged as above described, and as shown more particularly in Fig. 1, the lantern is-ready for use. The carbid container is filled by removing the closure plug 42, and pouring water through the hole 41. The needle valve 15 being now turned by aid of the handle 46, water feeds slowly downward from the. water tank through the drop pipe 35 and into the, carbid container 25, this carbid con-I tainer having been previously filled with. calcium carbid. The acetylene gas is gener-; atedby actionof the water upon the carbid. This gas passes upwardly through the filter; 55, and thepipe 52 of the burner 34;. a

In order to light the lantern there isno necessity to remove the globe 24. The oper-g' ator graspsthe water tank 37, and by turn-j ing it relatively to the supporting ring 11 unscrews it. Then by lifting the water tank straight upward the drop pipe '35, carrying. .With itthe carbid container25, is removed along with the dome 50, as will be under stood from Fig.2. The lamp being lighted, .the parts shown in Fig. 2 are replaced. It is' not evennecessary to throw the supporting ring 11 into the positionindicated inFig. 3

in order to remove the parts shown in Fig. 2 and to light the burner.

.Itwill be noted that the doubleinner wall of the water tank serves, to some extent, as

for engaging said tongues in I v1de a spr ng seat for said carbid container,

a part of the chimney, and that the water carried by the water tank tends to prevent the lantern from becoming excessively hot. The water is not heated, however, to the boiling point. The dome 50 is, by its proximity to the water tank, and by the heat conductivity of parts connecting it therewith, prevented from becoming sufliciently hot to burn the hand of the operator should he happen to touch the dome accidentally.

We do not limit ourselves to the precise construction shown, as variations may be made therein without departing from the spirit of our invention.

We claim:

1. In a lantern adapted for acetylene gas, the combination of a lantern frame, a holder mounted therein and having a generalannular form for supporting the carbid container, said holder being provided with tongues bent inwardly and upwardly, a carbidcontaiuer provided with a rounded annular portion for engaging said tongues, a drop pipe connected with said carbid container, a water tank connected with said drop pipe, and means for securing said water tank upon saidlantern frame.

2. A lantern adapted for acetylene gas, comprising a lantern frame, a support ring mounted thereupon and provided with an annular flange having a thread, a water tank having a substantially annular form and provided with an annular flange having athread mating said first mentioned thread, a water tank having a double inner wall, heat-insulating material located within said double wall, a ventilation domecarried by said double inner wall and provided with openings,.a drop pipe connected with said water tank, and a carbid container connected with said drop pipe.

3. A lantern for acetylene gas, comprising a lantern frame, a holder carried there- .by and having a general annular form, said holder being provided with ventilation holes and with tongues bent upwardly, a carbid container provided with a rounded portion order to proa drop pipe connected with said carbid container, a water tank connected with said drop pipe and removable with said drop pipe and said carbid container as a unit, said .water tank being provided with an annular threaded portion, and a supporting ringmounted upon said lantern frame and mating said annular threaded portion of said water tank. I

4. In a lantern adapted for acetylene gas,

the combination of a lantern frame, a carbid provided with an annular threaded portion container, a holder mounted upon saidlframe and having a general annular form for supportlng the carbid contalner, a globe carried by the frame above said carbid contalner, a

water tank disposed above said globe, and a drop pipe rigidly secured to said Water tank and to said carbid container and extending Within the latter, said Water tank, drop pipe and carbid container being removable as a unit.

5. In a lantern adapted for acetylene gas, the combination of a lantern frame, a carbid container, a holder mounted upon said frame and having a general annular form for sup-- porting the carbid container, a globe carried by the frame above said carbid container, a water tank disposed above said globe, a drop pipe secured to said Water tank and extending downwardly through said globe and be- 5 ing secured to said carbid container, and a burner carried by said carbid container, the upper end of the globe being of suflicient size to permit the removal of the carbid container and drop pipe, When the Water 0 tank is removed.

JOSEPH BARTON. JESSE MELBOURN. FOREST NEEDHAM. JOHN ,G. GREEN. Witnesses:

J. G. GLEYSTEEN, HAZEL M. HOUSTON.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0. 

